206401040

素因数分解:

$2^4\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{2557}}^1$

素因数の和:3579

約数の個数: 40

約数和(自身を含む): 480545880

約数和(自身を除く): 274144840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1009, 2018, 2557, 4036, 5045, 5114, 8072, 10090, 10228, 12785, 16144, 20180, 20456, 25570, 40360, 40912, 51140, 80720, 102280, 204560, 2580013, 5160026, 10320052, 12900065, 20640104, 25800130, 41280208, 51600260, 103200520, 206401040]

約数ペア:

[(1, 206401040), (2, 103200520), (4, 51600260), (5, 41280208), (8, 25800130), (10, 20640104), (16, 12900065), (20, 10320052), (40, 5160026), (80, 2580013), (1009, 204560), (2018, 102280), (2557, 80720), (4036, 51140), (5045, 40912), (5114, 40360), (8072, 25570), (10090, 20456), (10228, 20180), (12785, 16144)]